Question

QUESTION 26 A cognitive psychologist conducted a study of whether familiarity of words (X) predicts the time it takes (in seconds) to press a button indicating whether the word is singular or plural (Y), with all participants being given the same words. Familiarity with these words was rated at a later time on a 7-point scale (with higher numbers indicating more familiarity). The participants' scores were: X Y 6 0.3 1.5 5 0.8 2 3 1.4 Based on these data compute the sum of squared deviations for X: SSx = ? 10 15 .98 26 0

Answer 1

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Regression Analysis
	r²	0.957
	r	-0.978
	Std. Error	0.141
	n	4
	k	1
	Dep. Var.	y
ANOVA table
Source	SS	df	MS	F	p-value
Regression	0.9000	1	0.9000	45.00	.0215
Residual	0.0400	2	0.0200
Total	0.9400	3
Regression output				confidence interval
variables	coefficients	std. error	t (df=2)	p-value	95% lower	95% upper
Intercept	2.2000	0.19	11.44	0.01	1.37	3.03
x	-0.3000	0.0447	-6.708	.0215	-0.4924	-0.1076

Questin 26 27) 98) Ssx = 10 S sy 0.94 SP = 3 99) a= 0.98 30) There is a strong between ther two negative relation slip variable relationship 31) escrit = 0.87 39 ) Mes, the with words and tine press the button is 33 ý 2.2 -(0.3) x between famil ilarity it take to significant Горья ді 34) Op bin A 1.9 seconds